Step by step
5 steps
Step 1
side stack
1
2
3
4
5
6
7
1
2
3
4
5
6
7
Step 2
cut in
1
2
3
4
5
6
7
1
2
3
4
5
6
7
Step 3
go deep
1
2
3
4
5
6
7
1
2
3
4
5
6
7
Step 4
cut in
1
2
3
4
5
6
7
1
2
3
4
5
6
7
Step 5
1
2
3
4
5
6
7
1
2
3
4
5
6
7